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The optional bonnet vent adapter allows for the venting of hazardous gases in the event of diaphragm failure
These regulators also have a check valve cylinder connection that prevents contaminates from entering during cylinder changeover
DOT FMVSS125
Conveniently packaged for point-of-purchase display
Airgas Model 2172A3302 Stainless Steel Ultra-High Purity Two Stage Regulator With CGA-330 Connection First Aid Kits The optional bonnet vent adapterTied diaphragm regulators resist attack from strong acid forming gases and facilitate safe handling of corrosive, toxic and reactive gases with an inlet pressure of up to 3000 psig (207 bar). They are especially useful in semiconductor manufacturing applications. Two stage design is recommended for use where constant delivery pressure is desired.